kalmar/GroupRings.jl
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stylistic changes to mul!

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kalmarek 2019-03-15 08:05:14 +01:00
parent bcb4f3ed30
commit d044cc693b
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1 changed files with 7 additions and 11 deletions
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src/GroupRings.jl
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@ -301,11 +301,11 @@ function mul(a::T, X::GroupRingElem{S}) where {T<:Number, S<:Number}
return GroupRingElem(a.*X.coeffs, parent(X))
end
(*)(a::Number, X::GroupRingElem) = mul(a,X)
(*)(X::GroupRingElem, a::Number) = mul(a,X)
(*)(a::Number, X::GroupRingElem) = mul(a, X)
(*)(X::GroupRingElem, a::Number) = mul(a, X)
# disallow Rings to hijack *(::, ::GroupRingElem)
*(a::Union{AbstractFloat, Integer, RingElem, Rational}, X::GroupRingElem) = mul(a,X)
*(a::Union{AbstractFloat, Integer, RingElem, Rational}, X::GroupRingElem) = mul(a, X)
(/)(X::GroupRingElem, a) = 1/a*X
(//)(X::GroupRingElem, a::Union{Integer, Rational}) = 1//a*X
@ -375,10 +375,8 @@ function fmac!(result::AbstractVector{T},
end
@doc doc"""
GRmul!(result::AbstractVector{T},
X::AbstractVector,
Y::AbstractVector,
pm::Array{Int,2}) where {T<:Number}
GRmul!(result::AbstractVector{T}, X::AbstractVector, Y::AbstractVector,
pm::Matrix{<:Integer}) where {T<:Number}
> The most specialised multiplication for `X` and `Y` (intended for `coeffs` of
> `GroupRingElems`), using multiplication table `pm`.
> Notes:
@ -391,7 +389,7 @@ end
function GRmul!(result::AbstractVector{T},
X::AbstractVector,
Y::AbstractVector,
pm::Array{Int,2}) where {T<:Number}
pm::AbstractMatrix{<:Integer}) where {T<:Number}
z = zero(T)
result .= z
@ -399,9 +397,7 @@ function GRmul!(result::AbstractVector{T},
end
@doc doc"""
mul!{T}(result::GroupRingElem{T},
X::GroupRingElem,
Y::GroupRingElem)
mul!(result::GroupRingElem, X::GroupRingElem, Y::GroupRingElem)
> In-place multiplication for `GroupRingElem`s `X` and `Y`.
> `mul!` will make use the initialised entries of `pm` attribute of
> `parent(X)::GroupRing` (if available), and will compute and store in `pm` the